Consumers notice AI-generated voices but still trust humans more
New Adobe Express research shows growing awareness of synthetic voices in ads
AI-generated voices are becoming a common part of digital marketing. From customer service prompts to short-form video ads, synthetic voiceovers are helping brands produce audio content faster and at lower cost.
But audiences are paying attention. A new Adobe Express survey of 850 consumers and 205 marketers explores how people actually feel about AI-generated voices in media and advertising. The results reveal a mix of curiosity, caution, and growing familiarity.
This article explores how consumers perceive AI voices, where they are most acceptable, and what marketers should consider before adopting synthetic voice technology in campaigns.
Short on time?
Here’s a table of contents for quick access:
- Why AI voices are becoming more common in marketing
- How consumers feel about AI-generated voices
- Where AI voices are most acceptable to audiences
- What marketers should know before using AI voices
Patrecia Meliana
Why AI voices are becoming more common in marketing
Synthetic voice technology has become significantly easier to use in recent years. Platforms can now generate natural sounding narration, localize audio across languages, and quickly produce voiceovers for digital content.
According to Adobe Express, 46% of marketers already use AI-generated audio, including voiceovers, music, or both. Specifically:
- 22% use AI-generated voice
- 8% use AI-generated music
- 16% use both
Another 33% of marketers say they are considering adopting AI audio tools in the future.
For many teams, the appeal is operational efficiency. Faster production cycles and lower costs allow brands to create more video content, particularly for social platforms where short-form formats dominate engagement.
How consumers feel about AI-generated voices
Consumers are increasingly aware that AI voices exist. In fact, 88% of respondents said they have heard a voice and wondered if it was AI-generated.
However, trust still leans strongly toward human voices.
The survey found that 77% of consumers trust human voices the most, while 14% say they do not trust any voice they believe is generated by AI.
Brand perception also plays a role. When AI voices are used in advertising:
- 42% said it increased their trust or had no impact
- 58% said they would trust the brand less
This suggests that while audiences recognize the technology, emotional authenticity remains a challenge.
Where AI voices are most acceptable to audiences
Consumer comfort varies widely depending on the context where AI voices appear.
The survey found the most acceptable use cases were:
- Video games: 51%
- Customer service systems: 45%
- Advertisements: 36%
- Audiobooks: 35%
- Short-form video content: 31%
Acceptance drops significantly in more credibility-sensitive environments.
Only:
- 19% accept AI voices in news
- 9% accept them in podcasts
These results indicate that audiences are comfortable with synthetic audio in functional or entertainment contexts, but remain cautious when trust and authenticity matter more.
Patrecia Meliana
What marketers should know before using AI voices
For marketing teams experimenting with AI voice technology, several insights stand out.
- Transparency matters
Nearly 3 in 4 consumers believe brands should disclose when they use AI-generated voice or music. Disclosure may become an important trust signal as the technology spreads.
- Emotional authenticity remains a barrier
Marketers themselves recognize this challenge. In the survey, 48% said the biggest issue with AI audio is the lack of emotional authenticity.
- Short-form content may benefit most
Marketers reported that short-form videos using AI-generated voice or music deliver the strongest engagement and ROI. This aligns with the rapid content production needs of platforms like TikTok, Instagram Reels, and YouTube Shorts.
For now, the safest strategy may be selective adoption. Use AI voices where efficiency matters most, while preserving human narration in contexts where trust and emotional connection are critical.
AI voices are quickly becoming part of the marketing toolkit. They enable faster production, lower costs, and scalable content creation across channels.
Yet the survey results suggest consumer trust has not fully caught up with the technology. While audiences are open to synthetic voices in certain contexts, human narration still carries greater credibility.
For marketers, the opportunity lies in thoughtful implementation. Used strategically and transparently, AI-generated voices can support creative workflows without undermining audience trust.
